001    package org.gwtbootstrap3.extras.slider.client;
002    
003    /*
004     * #%L
005     * GwtBootstrap3
006     * %%
007     * Copyright (C) 2013 - 2015 GwtBootstrap3
008     * %%
009     * Licensed under the Apache License, Version 2.0 (the "License");
010     * you may not use this file except in compliance with the License.
011     * You may obtain a copy of the License at
012     * 
013     *      http://www.apache.org/licenses/LICENSE-2.0
014     * 
015     * Unless required by applicable law or agreed to in writing, software
016     * distributed under the License is distributed on an "AS IS" BASIS,
017     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
018     * See the License for the specific language governing permissions and
019     * limitations under the License.
020     * #L%
021     */
022    
023    import com.google.gwt.core.client.EntryPoint;
024    import com.google.gwt.core.client.ScriptInjector;
025    
026    /**
027     * @author Xiaodong SUN
028     */
029    public class SliderEntryPoint implements EntryPoint {
030    
031        @Override
032        public void onModuleLoad() {
033            if (!isSliderLoaded()) {
034                ScriptInjector.fromString(SliderClientBundle.INSTANCE.slider().getText()).setWindow(ScriptInjector.TOP_WINDOW).inject();
035            }
036        }
037    
038        /**
039         * Check if slider is already loaded.
040         *
041         * @return <code>true</code> if slider is loaded, <code>false</code> otherwise
042         */
043        private native boolean isSliderLoaded() /*-{
044            return (typeof $wnd['Slider'] !== 'undefined');
045        }-*/;
046    }